Climate and monthly weather forecastLebanon, ME
Climate and monthly weather forecast
Weather in January
January, the same as December, in Lebanon, Maine, is a freezing cold winter month, with temperature in the range of an average low of 18.3°F (-7.6°C) and an average high of 30°F (-1.1°C). January, recording an average high temperature of 30°F (-1.1°C) and a low temperature of 18.3°F (-7.6°C), is Lebanon's coldest month. Weather in January »Weather in February
The last month of the winter, February, is a cold month in Lebanon, Maine, with an average temperature varying between 19.4°F (-7°C) and 32.5°F (0.3°C). The commencement of February notes an average high-temperature of a cold 32.5°F (0.3°C), exhibiting little difference from the previous month. Weather in February »Weather in March
The first month of the spring, March, is also an icy month in Lebanon, Maine, with an average temperature ranging between min 26.4°F (-3.1°C) and max 39.4°F (4.1°C). A slight uplift in the average high-temperature marks March, adjusting from February's 32.5°F (0.3°C) to a still icy 39.4°F (4.1°C). Weather in March »Weather in April
April is a fresh spring month in Lebanon, Maine, with an average temperature fluctuating between 36.5°F (2.5°C) and 50.5°F (10.3°C). With the arrival of April, the average high-temperature transitions from a wintry 39.4°F (4.1°C) in March to a cool 50.5°F (10.3°C). Weather in April »Weather in May
May, the last month of the spring in Lebanon, is an enjoyable month, with an average temperature varying between 46°F (7.8°C) and 61.3°F (16.3°C). Lebanon's May weather shows an increase in high-temperatures, moving from April's cool 50.5°F (10.3°C) to a refreshing 61.3°F (16.3°C). Weather in May »Weather in June
The first month of the summer, June, is a pleasant month in Lebanon, Maine, with an average temperature ranging between min 54°F (12.2°C) and max 69.3°F (20.7°C). Lebanon, Maine, experiences a minor temperature shift with the start of June, with average high-temperatures moving from an enjoyable 61.3°F (16.3°C) in May to a pleasant 69.3°F (20.7°C). Weather in June »Weather in July
July is a moderately hot summer month in Lebanon, Maine, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 60.6°F (15.9°C). Lebanon, Maine, notes the warmest temperatures in July, with a high average of 76.3°F (24.6°C) and a low of 60.6°F (15.9°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Lebanon, Maine, with an average temperature varying between 75.7°F (24.3°C) and 59.7°F (15.4°C). Lebanon sees the arrival of August with an average high-temperature of a still moderately hot 75.7°F (24.3°C), indicating a subtle variation from July. Weather in August »Weather in September
The first month of the autumn, September, is also an agreeable month in Lebanon, Maine, with an average temperature ranging between max 68.9°F (20.5°C) and min 53.6°F (12°C). In Lebanon, the average high-temperature in September slightly decreases from a moderately hot 75.7°F (24.3°C) in August to an agreeable 68.9°F (20.5°C). Weather in September »Weather in October
October, the same as September, in Lebanon, Maine, is a moderate autumn month, with an average temperature fluctuating between 44.6°F (7°C) and 57.2°F (14°C). Lebanon in October undergoes a mild reduction in the average high-temperature, shifting from September's pleasant 68.9°F (20.5°C) to a mild 57.2°F (14°C). Weather in October »Weather in November
November, the last month of the autumn in Lebanon, is another chilly month, with an average temperature fluctuating between 45.9°F (7.7°C) and 34.2°F (1.2°C). With the onset of November, Lebanon's average high-temperature adjusts, receding from October's mild 57.2°F (14°C) to a frosty 45.9°F (7.7°C). Weather in November »Weather in December
December, the first month of the winter in Lebanon, is also a wintry month, with an average temperature varying between 35.6°F (2°C) and 25.7°F (-3.5°C). The commencement of December involves a temperature shift, with the average high-temperature dropping from a frosty 45.9°F (7.7°C) in November to a wintry 35.6°F (2°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Lebanon, ME
The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (30°F).
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure
Lebanon, ME
- Average pressure in January:
29.99"Hg - Average pressure in February:
29.98"Hg - Average pressure in March:
30.02"Hg - Average pressure in April:
29.96"Hg - Average pressure in May:
29.99"Hg - Average pressure in June:
29.91"Hg
- Average pressure in July:
29.93"Hg - Average pressure in August:
29.97"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.06"Hg - Average pressure in December:
30.02"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed
Lebanon, ME
- Average wind speed in January:
10.1mph - Average wind speed in February:
9.7mph - Average wind speed in March:
9.4mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.3mph - Average wind speed in June:
6.6mph
- Average wind speed in July:
6mph - Average wind speed in August:
6mph - Average wind speed in September:
6.7mph - Average wind speed in October:
8.2mph - Average wind speed in November:
8.6mph - Average wind speed in December:
9.2mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity
Lebanon, ME
The months with the highest relative humidity are January and February (82%).
The months with the lowest relative humidity are April and November (76%).
Average rainfall
Lebanon, ME
- Average rainfall in January:
0.94" - Average rainfall in February:
0.94" - Average rainfall in March:
0.94" - Average rainfall in April:
1.46" - Average rainfall in May:
1.38" - Average rainfall in June:
1.5"
- Average rainfall in July:
1.14" - Average rainfall in August:
1.22" - Average rainfall in September:
0.67" - Average rainfall in October:
1.54" - Average rainfall in November:
1.42" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is October (1.54").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days
Lebanon, ME
- Average rainfall days in January:
5.6 days - Average rainfall days in February:
5.7 days - Average rainfall days in March:
9.7 days - Average rainfall days in April:
12.5 days - Average rainfall days in May:
12.9 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
12.6 days - Average rainfall days in August:
11.4 days - Average rainfall days in September:
9.5 days - Average rainfall days in October:
10.3 days - Average rainfall days in November:
7.9 days - Average rainfall days in December:
8.3 days
The month with the highest number of rainy days is May (12.9 days).
The month with the least rainy days is January (5.6 days).
Average snowfall
Lebanon, ME
The month with the highest snowfall is December (2.83").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Lebanon, ME
- Average snowfall days in January:
8.3 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
6.4 days - Average snowfall days in April:
1.8 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
1.9 days - Average snowfall days in December:
6.3 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Lebanon, ME
- Average daylight in January:
9h and 24min - Average daylight in February:
10h and 30min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 42min - Average daylight in June:
15h and 24min
- Average daylight in July:
15h and 0min - Average daylight in August:
13h and 54min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 42min - Average daylight in December:
9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in January:
5h and 0min - Average sunshine in February:
4h and 54min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 12min - Average sunshine in June:
9h and 0min
- Average sunshine in July:
10h and 6min - Average sunshine in August:
10h and 30min - Average sunshine in September:
8h and 24min - Average sunshine in October:
6h and 6min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days
Lebanon, ME
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
17.1 days - Average sunshine days in March:
15.8 days - Average sunshine days in April:
14.2 days - Average sunshine days in May:
16.2 days - Average sunshine days in June:
15.1 days
- Average sunshine days in July:
15.8 days - Average sunshine days in August:
16.9 days - Average sunshine days in September:
18.4 days - Average sunshine days in October:
18.3 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
16.5 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (14.2 days).
Average UV index
Lebanon, ME
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover
Lebanon, ME
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Lebanon, ME
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





